[Asterisk-Users] G729 vs. gsm

[steve at daviesfam.org]

On Sun, 29 May 2005, Steve Underwood wrote:

> It isn't a one way scale. Music on hold over G.729 is often 
> unrecognisable. Over GSM 06.10 it is usually just poor. Is that a big 
> issue for you, or totally irrelevant? GSM 06.10 and G.729 at 8kbps offer 
> fairly similar quality for clean voice. GSM wins when there is 
> background noise. G.729 wins on bit rate.


One nice feature of GSM is that people are used to the way it sounds from 
their cellphones, they mentally tune the distortions out.

Steve